What is the Wallet of Satoshi limit?

The Wallet of Satoshi, a custodial wallet designed for the Bitcoin Lightning Network, allows users to top up their account in two ways: by sending Bitcoin from an exchange or other wallet to the provided on-chain wallet address, which credits instantly and is spendable when confirmed by the network, or by sending Bitcoin using the Lightning Network which credits instantly. Users can scan a merchant's Lightning QR code, click a direct Lightning Invoice link or Tap an NFC card to pay, use the LNURL protocol, save and send to their favourite Lightning Address contacts, and find Merchants near them who accept Bitcoin.